CVE-2026-40342

A flaw was found in Firebird, an open-source relational database management system. An authenticated user with CREATE FUNCTION privileges can exploit a path traversal vulnerability in the external engine plugin loader. This allows an attacker to use a crafted engine name to load an arbitrary shar...

CVE-2026-40342

Summary: Firebird prior to versions 5.0.4, 4.0.7, and 3.0.14 is vulnerable to a path-traversal in the external engine plugin loader. An authenticated user with CREATE FUNCTION privileges can supply an ENGINE name that is concatenated into a filesystem path without filtering path separators or .. ...

CVE-2026-40342 Firebird: Path Traversal + Arbitrary File Write Leads to Remote Code Execution

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the external engine plugin loader concatenates a user-supplied engine name into a filesystem path without filtering path separators or .. components. An authenticated user with CREATE...

CVE-2026-40342

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the external engine plugin loader concatenates a user-supplied engine name into a filesystem path without filtering path separators or .. components. An authenticated user with CREATE...